Granted Patent
Utility
US 5,334,927 · App. 08/043,021
Multiphase switching system and generator arrangement having such a switching system
Inventor:
Leonhard Widenhorn
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Apr 5, 1993
Inventor
Leonhard Widenhorn
Assignee (at issue)
Asea Brown Boveri, S.A.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.